Irrigation And Flood Control Department Tender

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 150 mm dia. R.C.C.pipe

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Providing and fixing in position pre cast RCC manhole cover and frame of required shape and approved quality EHD-35 circular shape 560 mm internal diameter.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to Tajpur Phari Khadan or as approved by Engineer-in-charge, 10.00 km initial lead, for all leads including all lifts involved.

Disposal of excavation earth from site within 5 km lead by mechanical transport all means as directed by Engineer-in-charge

Providing and laying in position ready mixed plain cement concrete with cement content as per approved design mix ;and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing including cost of curing admixtures in recommended proportions as per IS: 9103 accelerate/retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer-in-charge Note: 1 Excess/less used than specified in this item is payable recoverable separately. All works up to plinth level M-10 grade plain cement concrete (cement content consider @ 220 kg./cum

Providing and laying RMC of M-30 grade By using minimum 400kg of cement(43 grade, OPC) per cum of concrete in roads / streets manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer, including cost of admixture in recommended proportion as per IS9103 to accelerate/ retard setting of concrete to improve workability without impairing strength and durability as per specification including spreading and compacting mechanically by using needle and surface vibratos, leveling to required slope & camber, finishing by floating & brooming with wire brushes etc. and curing including making provision for contraction / expansion, construction of cross / longitudinal joints of size 10mm wide 50mm deep by groove cutting machine, providing and filling joints with approved joint filler and sealants, etc. complete, as per direction of Engineer in-charge. (Cost of joint filler & sealants shall be paid for separately under relevant items). Note:- Cement content considered in M-30 is @ 400 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately M-30 RMC by using minimum cement @400 kg/cum. Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer